[TYPO3-english] Cannot access backend from Install Tool

[Irene P]

Hi all,

I'm new to TYPO3. I installed version 6.2.17 and got as far as the Install Tool. However, when I click [Backend admin] from the Install Tool I got the "HTTP 500 Internal Server Error".  Checking the error log shows this:

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PHP Fatal error:  require(): Failed opening required 'C:\\typo3_src-6.2.17\\typo3/typo3/init.php' (include_path='.;C:\\php\\pear') in C:\\typo3_src-6.2.17\\typo3\\index.php on line 21, referer: localhost:8088/typo3/sysext/install/Start/Install.php?install[redirectCount]=5&install[context]=standalone&install[controller]=tool
============================

How do I fix this?

I did select the option to load preconfigured Distributions during the final step of the installation process, but I don't know if it was loaded (how do I check? I cannot access the frontend, with the following error, which I'm thinking because the distribution was not loaded and therefore no TypoScript object is defined?) 

============================
Uncaught TYPO3 Exception

#1294587217: The page is not configured! [type=0][]. This means that there is no TypoScript object of type PAGE with typeNum=0 configured. (More information)

TYPO3\CMS\Core\Error\Http\ServiceUnavailableException thrown in file
C:\typo3_src-6.2.17\typo3\sysext\frontend\Classes\Controller\TypoScriptFrontendController.php in line 2594.

2 TYPO3\CMS\Frontend\Controller\TypoScriptFrontendController::getConfigArray()

C:\typo3_src-6.2.17\typo3\sysext\cms\tslib\index_ts.php:
00171: // Get config if not already gotten
00172: // After this, we should have a valid config-array ready

00173: $TSFE->getConfigArray();

00174: // Setting language and locale
00175: $TT->push('Setting language and locale', '');


1 require("C:\typo3_src-6.2.17\typo3\sysext\cms\tslib\index_ts.php")

C:\typo3_src-6.2.17\index.php:
00026:  ->redirectToInstallerIfEssentialConfigurationDoesNotExist();
00027: 

00028: require(PATH_tslib . 'index_ts.php');
============================


Thanks in advance!